MAX4535ESD Equivalent & Substitute Parts

Part Overview

The MAX4535ESD is a 2-circuit IC switch with DPST-NO configuration and 400Ohm on-state resistance, manufactured by Analog Devices Inc./Maxim Integrated. This component functions as a 2:1 multiplexer/demultiplexer interface device in 14-SOIC surface mount packaging. The MAX4535ESD is classified as obsolete, making identification of compatible substitute parts essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Switch Circuit Configuration	DPST - NO
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	2
On-State Resistance (Max)	400Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm
Voltage - Supply, Single (V+)	9V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	275ns, 200ns
Charge Injection	1pC
Channel Capacitance (CS(off), CD(off))	5pF, 4pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-53dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4535ESD is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute identified is the MAX4535ESD+, which maintains identical functional specifications including switch circuit configuration (DPST-NO), multiplexer circuit topology (2:1), on-state resistance (400Ohm), supply voltage ranges, switching characteristics, and package form factor (14-SOIC surface mount).

The substitution is valid based on the following critical parameters:

Switch Circuit: DPST - NO (identical)
Multiplexer/Demultiplexer Circuit: 2:1 (identical)
On-State Resistance (Max): 400Ohm (identical)
Channel-to-Channel Matching: 2Ohm (identical)
Supply Voltage Ranges: 9V ~ 36V (V+) and ±4.5V ~ 20V (V±) (identical)
Switching Times: 275ns, 200ns (identical)
Package: 14-SOIC surface mount (identical)
Operating Temperature Range: -40°C ~ 85°C (identical)

Parameter Comparison

Parameter	MAX4535ESD (Main)	MAX4535ESD+ (Substitute)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Switch Circuit	DPST - NO	DPST - NO
Multiplexer/Demultiplexer Circuit	2:1	2:1
Number of Circuits	2	2
On-State Resistance (Max)	400Ohm	400Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm	2Ohm
Voltage - Supply, Single (V+)	9V ~ 36V	9V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ 20V	±4.5V ~ 20V
Switch Time (Ton, Toff) (Max)	275ns, 200ns	275ns, 200ns
Charge Injection	1pC	1pC
Channel Capacitance (CS(off), CD(off))	5pF, 4pF	5pF, 4pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-53dB @ 1MHz	-53dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	Not specified	Tube

Engineering Selection Recommendations

The MAX4535ESD+ is the direct substitute for the MAX4535ESD. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all functional parameters.

The primary distinction between these parts is product status and regulatory compliance. The MAX4535ESD is classified as obsolete, while the MAX4535ESD+ maintains active product status. The MAX4535ESD+ is ROHS3 compliant, whereas the original MAX4535ESD is RoHS non-compliant. For new designs or production requiring regulatory compliance with current environmental standards, the MAX4535ESD+ is the appropriate selection. The MAX4535ESD+ is supplied in tube packaging, compared to the unspecified packaging of the original part.

Frequently Asked Questions (FAQ)

Q: Can the MAX4535ESD+ be used as a direct replacement for the MAX4535ESD?

A: Yes. The MAX4535ESD+ is electrically and mechanically equivalent to the MAX4535ESD. All functional parameters, including switch configuration, on-state resistance, supply voltage ranges, switching times, and package form factor are identical. Both parts are 14-SOIC surface mount devices with 2-circuit DPST-NO switch configuration.

Q: What is the difference between MAX4535ESD and MAX4535ESD+?

A: The primary differences are product status and compliance certification. The MAX4535ESD is obsolete and RoHS non-compliant. The MAX4535ESD+ is an active product that meets ROHS3 compliance requirements. The MAX4535ESD+ is supplied in tube packaging. All electrical and mechanical specifications are identical.

Q: Are there any package or pinout differences between these parts?

A: No. Both the MAX4535ESD and MAX4535ESD+ use the 14-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions.

Q: Which part should be selected for new designs?

A: The MAX4535ESD+ should be selected for new designs. It is an active product with current manufacturing support and meets ROHS3 environmental compliance standards. The MAX4535ESD is obsolete and should not be used for new applications.

Q: Are the supply voltage specifications identical?

A: Yes. Both parts support single supply operation at 9V ~ 36V (V+) and dual supply operation at ±4.5V ~ 20V (V±). Operating temperature range is identical at -40°C ~ 85°C.

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